RIS Statistics Report (20060213-20060220) This report was generated at Mon Feb 20 00:15:01 UTC 2006. It analyses the BGP Routing Tables which are collected by RIS Remote Collectors at different locations around the world. Check http://www.ris.ripe.net/weekly-report/ for more info. o Prefix Distribution RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 APNIC 35554 35153 29023 0 34912 33989 31389 34268 33160 22940 33860 33921 33736 28443 ARIN 67930 67569 53736 252 67399 66127 51414 66270 64644 45117 66347 66729 67145 35829 LACNIC 8592 8591 6992 1464 8551 8585 8096 8476 8325 6293 8500 8525 8557 5001 RIPE NCC 30421 28873 25902 694 29687 28593 22888 27996 26530 20074 28654 29301 29052 15448 OLD 36055 35610 27026 333 35352 34978 29792 34841 33395 22890 34330 34556 35195 22339 IANA 12248 11882 10385 106 12100 11858 9301 11358 11160 8700 11892 11988 11975 6454 RFC1918 13 3 5 0 1 1 0 0 0 0 0 3 0 0 AFRINIC 41 41 41 26 41 41 40 40 41 39 41 41 41 39 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 190854 187722 153110 2875 188043 184172 152920 183249 177255 126053 183624 185064 185701 113553 AS number distributions wrt RIR and single-homed/multi-homed. o ASes per RIR region RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 ARIN 11517 11431 9780 198 11453 11455 10250 11362 11290 9054 11389 11412 11435 7749 APNIC 2447 2438 2179 0 2444 2421 2294 2406 2403 1881 2418 2436 2412 2259 RIPE NCC 7734 7670 7313 198 7685 7667 6574 7632 7241 6146 7670 7685 7699 5439 LACNIC 188 188 174 25 185 186 176 184 180 155 181 183 185 143 AFRINIC 7 7 6 0 7 7 6 7 6 7 7 7 7 6 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 50 19 17 0 20 12 14 9 11 5 15 17 16 31 Others 1 1 1 0 1 1 1 0 0 0 1 1 1 0 Total 21944 21754 19470 421 21795 21749 19315 21600 21131 17248 21681 21741 21755 15627 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 ARIN 3464 4721 4143 140 3960 6136 4683 7741 6562 5944 6251 4575 4911 4902 APNIC 686 990 861 0 809 1251 1080 1464 1228 1141 1069 1029 1013 1178 RIPE NCC 2324 3145 2755 155 2623 3755 2733 5281 3869 3579 3862 2866 3029 3285 LACNIC 79 89 83 24 83 103 92 134 106 100 106 86 99 99 AFRINIC 4 4 4 0 5 5 4 6 4 6 5 5 5 5 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 39 11 12 0 13 8 8 8 8 4 10 11 9 29 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 6596 8960 7858 319 7493 11258 8600 14634 11777 10774 11303 8572 9066 9498 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 ARIN 8053 6710 5637 58 7493 5319 5567 3621 4728 3110 5138 6837 6524 2847 APNIC 1761 1448 1318 0 1635 1170 1214 942 1175 740 1349 1407 1399 1081 RIPE NCC 5410 4525 4558 43 5062 3912 3841 2351 3372 2567 3808 4819 4670 2154 LACNIC 109 99 91 1 102 83 84 50 74 55 75 97 86 44 AFRINIC 3 3 2 0 2 2 2 1 2 1 2 2 2 1 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 11 8 5 0 7 4 6 1 3 1 5 6 7 2 Others 1 1 1 0 1 1 1 0 0 0 1 1 1 0 Total 15348 12794 11612 102 14302 10491 10715 6966 9354 6474 10378 13169 12689 6129 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 Leaf 18169 18319 16091 336 18200 18423 16006 18689 18105 14520 18344 18255 18368 12942 Transit 3649 3336 3154 61 3481 3242 3026 2840 2891 2426 3239 3381 3289 2276 Transit-only 126 99 225 24 114 84 283 71 135 302 98 105 98 409 Total 21944 21754 19470 421 21795 21749 19315 21600 21131 17248 21681 21741 21755 15627 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 Avg 6.23 6.14 5.88 4.17 6.10 5.97 6.06 4.92 5.00 5.06 6.08 6.09 7.48 4.76 Std 2.59 2.52 2.51 2.77 2.54 2.64 2.62 1.69 1.84 1.97 2.63 2.57 2.59 1.95 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.0/30 8342 10.2.0.0/24 17858 10.10.10.4/30 8342 10.20.10.20/32 5381 10.20.10.21/32 5381 10.20.10.22/32 5381 10.103.96.4/30 8342 172.16.0.0/12 16215 172.20.0.0/14 559 192.0.2.0/24 16215 192.168.0.0/16 16215 192.168.100.0/22 29404 192.168.124.0/22 29404 o List of hot-spots during the week. Prefix Origin AS Number of updates 219.64.226.0/23 4755 308845 219.64.224.0/21 4755 289074 204.214.158.0/24 7810 267085 62.111.4.0/24 6666 264941 195.8.99.0/24 34409 184369 219.64.224.0/23 4755 183792 207.168.184.0/24 32832 117987 83.228.72.0/24 34577 111988 193.164.226.0/23 15414 102489 213.16.56.0/24 34577 89968 Total number of RIS BGP peering sessions: 562